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lana [24]
3 years ago
5

The radius of a circle is 2 inches. what is the circles diameter

Mathematics
2 answers:
andrey2020 [161]3 years ago
6 0
The diameter is a line that stretches across the middle of a circle from end to end.  The radius is one half of this line, stretching from the center of the circle to a point on the side of the circle.  This means that the diameter is 2 times the length of the radius.  2 times 2 is 4, meaning that the diameter is 4 inches.
valentinak56 [21]3 years ago
6 0
4 is the circle's diameter.

The radius of a circle is half of the half of a circle. So, imagine having a line cut through a circle (the diameter). Half of that line is called the radius. In mathematical format, the diameter over two, or divided by two, is the radius.

Diameter is the radius times 2, you can visualize it as a straight line cutting a circle in half.

Now, knowing this information, if the radius is two inches, all you have to do is 2*2, which is 4.

In conclusion, the answer would be 4 inches, or 48 centimeters if you want to get specific.
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Let d represent the distance of the destination from the starting point.

After 45 min, Henry has already driven d-68 miles.  After 71 min., he has already driven d-51.5 miles.

So we have 2 points on a straight line:

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slope of line = m = ----------------------- = ------------------
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Thus, the slope, m, is   m = 0.635 miles/min

The distance to his destination would be d - (0.635 miles/min)(79 min), or 

d - 50.135 miles.  We don't know how far his destination is from his starting point, so represent that by "d."

After 45 minutes:  Henry has d - 68 miles to go;

After 71 minutes, he has        d - 51.5 miles to go; and

After 79 minutes, he has         d -  x miles to go.  We need to find x.

Actually, much of this is unnecessary.  Assuming that Henry's speed is 0.635 miles/ min, and knowing that there are 8 minutes between 71 and 79 minutes, we can figure that the distance traveled during those 8 minutes is

(0.635 miles/min)(8 min) = 5.08 miles.  Subtracting thix from 51.5 miles, we conclude that after 79 minutes, Henry has (51.5-5.08), or 46.42, miles left before he reaches his destination.




7 0
3 years ago
tenesa bought a 50 pound bag of flour for her bakery. she used 13.65 pounds of flour. how many pounds of flour are left in the b
saw5 [17]
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work:
50 - 13.65 = 36.35
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2 years ago
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